Table 6.
Baseline characteristics of patients according to their FEV1 loss between T0 and T1
| FEV1 loss < 15% (n = 28) | FEV1 loss ≥15% (n = 7) | p-value | |
|---|---|---|---|
| Age |
37 ± 13 |
45 ± 10 |
0.11 |
| FEV1% pred.at T0 |
90 ± 17 |
98 ± 13 |
0.25 |
| FEV1/FVC at T0 |
77 ± 9 |
72 ± 7 |
0.25 |
| Current smoking |
8 (29%) |
2 (29%) |
1.0 |
| Pack years* |
11 (17) |
11 (17) |
0.42 |
| Total exposure time (months) |
46 (91) |
62 (169) |
0.32 |
| Symptomatic exposure time (months) | 11 (19) | 19 (49) | 0.40 |
Legend: FVC = forced expiratory vital capacity. FEV1 = forced expiratory volume in 1 second. *Pack-years for smokers and ex-smokers added.
Data is presented as mean ± SD, median and interquartile range (IQR) or number (%).